aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/r420.c
diff options
context:
space:
mode:
authorAlex Deucher <alexdeucher@gmail.com>2009-08-19 19:11:39 -0400
committerDave Airlie <airlied@redhat.com>2009-08-21 05:10:30 -0400
commitf779b3e513478218cbaaaa0a506d7801cab6fd14 (patch)
tree977258791900e68ed2fbcd78d631c22f4185e48a /drivers/gpu/drm/radeon/r420.c
parent17782d99502851dc7e48114ee9c5a6d6741cba18 (diff)
drm/radeon: add GET_PARAM/INFO support for Z pipes
Needed for occlusion queries on rv530 chips. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r420.c')
-rw-r--r--drivers/gpu/drm/radeon/r420.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index dea497a979f2..97426a6f370f 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -165,7 +165,18 @@ void r420_pipes_init(struct radeon_device *rdev)
165 printk(KERN_WARNING "Failed to wait GUI idle while " 165 printk(KERN_WARNING "Failed to wait GUI idle while "
166 "programming pipes. Bad things might happen.\n"); 166 "programming pipes. Bad things might happen.\n");
167 } 167 }
168 DRM_INFO("radeon: %d pipes initialized.\n", rdev->num_gb_pipes); 168
169 if (rdev->family == CHIP_RV530) {
170 tmp = RREG32(RV530_GB_PIPE_SELECT2);
171 if ((tmp & 3) == 3)
172 rdev->num_z_pipes = 2;
173 else
174 rdev->num_z_pipes = 1;
175 } else
176 rdev->num_z_pipes = 1;
177
178 DRM_INFO("radeon: %d quad pipes, %d z pipes initialized.\n",
179 rdev->num_gb_pipes, rdev->num_z_pipes);
169} 180}
170 181
171void r420_gpu_init(struct radeon_device *rdev) 182void r420_gpu_init(struct radeon_device *rdev)